[PATCH 14/17] Add ftruncate implementation for MSVC
From: Marius Storm-Olsen <hidden>
Date: 2016-06-15 22:47:24
Subsystem:
the rest · Maintainer:
Linus Torvalds
The MSVC Posix implementation doesn't contain ftruncate, so add our own which can handle large files (64bit offsets). Signed-off-by: Marius Storm-Olsen <redacted> --- compat/msvc.c | 8 ++++++++ compat/msvc.h | 2 ++ 2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/compat/msvc.c b/compat/msvc.c
index ac04a4c..b96b045 100644
--- a/compat/msvc.c
+++ b/compat/msvc.c@@ -32,4 +32,12 @@ int closedir(DIR *dir) return 0; } +int ftruncate(int fd, __int64 length) +{ + HANDLE fh = (HANDLE)_get_osfhandle(fd); + if (!fh || _lseeki64(fd, length, SEEK_SET)) + return -1; + return SetEndOfFile(fh) ? 0 : -1; +} + #include "mingw.c"
diff --git a/compat/msvc.h b/compat/msvc.h
index a62507f..d9fc04b 100644
--- a/compat/msvc.h
+++ b/compat/msvc.h@@ -46,4 +46,6 @@ struct _stati64 { time_t st_mtime; time_t st_ctime; }; + +int ftruncate(int fd, __int64 length); #endif
--
1.6.2.1.418.g33d56.dirty